#include<iostream>
#include<vector>
#include<bitset>
#include<algorithm>
#include<cmath>
#include<string>
using namespace std;

long long table[61];

void lo2(){
    table[0] = 1;
    for(int i=1;i<=60;i++){
        table[i] = table[i-1]*2;
    }
}

bool check(long long num){
    for(int i=0;i<=60;i++){
        if(table[i]==num)   return false;
    }
    return true;
}

int main(){ 
    long long N;
    cin >> N ;
    lo2();
    for(long long i=3;i<=N/2;i++){
        if(check(i)&&check(N-i)){
            cout << i << ' ' << N-i << endl;
            return 0;
        }
    }
    cout << -1 << endl;
    return 0;
}